Name: Without Inner Resistor 130GF Max Micro Switch G303
Brand: Guangzhou Unionwell Sensing & Control Technology Co., Ltd.

The Unionwell G303-130S01A1U Micro Switch is a premium SPDT (Single Pole Double Throw) component engineered for precision and durability, ideal for demanding applications in automotive, industrial machinery, and consumer electronics. With a maximum actuation force of 130gf and no internal resistor, this switch delivers reliable electrical control in a compact, space-saving design.

Key Advantages for Your Applications

Built to withstand harsh environments, the G303 features an IP67 rating, ensuring protection against water and dust ingress. Its robust construction combined with a long service life—up to 500,000 mechanical cycles and 100,000 electrical cycles (part number dependent)—makes it a trusted choice for high-use scenarios. Engineers and manufacturers benefit from its versatile design, including multiple lever options and a wide range of wiring terminals, enabling easy integration into various systems.

Global Safety & Performance

Compliant with international safety standards, this micro switch offers stable performance across diverse voltage and current ratings:

Electrical Ratings: 0.1A at 125/250VAC, 3A at 12VDC, 0.1A at 48VDC, and μ40T85 1E5.
Operating Conditions: Functions reliably from -40°C to +85°C and up to 85% relative humidity, making it suitable for extreme environments.

Applications

Perfect for:

Automotive electronics (e.g., seat adjustment, door locks, safety systems)
Industrial control machinery (e.g., robotics, equipment sensors)
Household appliances (e.g., power tools, smart devices)

Parameters

Rating		0.1A, 125/250VAC; 3A/12VDC; 0.1A/48VDC; μ 1E5
Operating Frequency	Electrical	0.1A, 120 cycles/min 3A, 10~30 cycles/min
	Mechanical	120 cycles/min
Contact Resistance (Initiative)		100mΩ Max.(without wire type)
Insulation Resistance (at 500VDC)		100MΩ Min.
Vibration Durability		10~55Hz, move 0.75mm (p-p)
Dielectric Strength		500VAC (50~60Hz)
Operating Temperature		-40℃~+85℃
Operating Humidity		85%RH Max.
Service Life	Electrical	Min. 100,000 cycles (Depend on part NO.)
	Mechanical	Min. 500.000 cycles

Why Choose Unionwell?

Unionwell is a trusted name in electronic components, delivering quality and innovation for over 30 years. The G303 micro switch exemplifies our commitment to performance, safety, and customer-centric design, ensuring your projects benefit from reliable, long-lasting components.

Contact us today to discuss how the G303-130S01A1U Micro Switch can elevate your product's functionality and durability.

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